Reappearance of Antiferromagnetic Order in Nd_{0.9}Ca_{0.1}BaCo_{2}O_{5+δ} for δ > 0.51

• Authors: J. Piętosa , S. Kolesnik , R. Puźniak , B. Dabrowski
• Languages of publication: EN

Abstracts

EN

The absence of the antiferromagnetic order in Nd_{0.9}Ca_{0.1}BaCo_2O_{5.5} has been found to remain unchanged by applying a hydrostatic pressure of 10 kbar. In magnetic studies of polycrystalline Nd_{0.9}Ca_{0.1}BaCo_2O_{5+δ} (δ=0.07-0.69), we have found a reappearance of the antiferromagnetic phase, caused by an increase in oxygen index δ above 0.51 related to extra oxygen ions addition into the NdO_{δ} plane. For the samples with δ=0.555 and 0.59, a coexistence of well developed antiferromagnetic phase with ferrimagnetic one is evidenced.

Keywords

EN

75.30.Kz; 75.50.Gg; 62.50.-p

Discipline

• 75.50.Gg: Ferrimagnetics
• 75.30.Kz: Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism, etc.)(for ferroelectric phase transitions, see 77.80.B-; for superconductivity phase diagrams, see 74.25.Dw)
• 62.50.-p: High-pressure effects in solids and liquids(for high pressure apparatus and techniques, see 07.35.+k; for high-pressure behavior of rocks and minerals, see 91.60.Gf; for pressure treatments, see 81.40.Vw in materials science; for effects of pressure on superconducting transition temperature, see 74.62.Fj)

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 4a
• Pages: A-50-A-53

Dates

published

2014-10

Contributors

author

J. Piętosa

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, PL-02-668 Warsaw, Poland

author

S. Kolesnik

• Department of Physics, Northern Illinois University, De Kalb, IL 60115, USA

author

R. Puźniak

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, PL-02-668 Warsaw, Poland

author

B. Dabrowski

• Department of Physics, Northern Illinois University, De Kalb, IL 60115, USA

References

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Identifiers

DOI

10.12693/APhysPolA.126.A-50